Universe Image Creator (UIC) is dependent on your graphics card to render scenes. Most issues when running are going to be related to the capabilities of your graphics card. Performance, especially on laptops, will lag on scenes with many objects. There may also be visual artifacts on some cards. You can run the demo scenes from the File menu and compare it with reference scenes as shown in this video.
WebGL
Universe Image Creator (UIC) uses WebGL to control your graphics card. This WebGL support is provided by Electron which ships with Chromium, the open-source project that is the basis for Google Chrome. You can test if your system supports WebGL here and WebGL2 here. Passing these tests should indicate your graphics card is sufficient to run UIC. However, they do not guarantee WebGL is working in Chromium. When running UIC you can check the About Box (Windows) or the Versions Box (Mac OS X) under the Help menu. It displays the WebGL status of Chromium:
